* So what happened to the GOP, from the time of Nixon to the present, to turn an environmental leader into an environmental retrograde? According to a new study in the journal Social Science Research, the key change actually began around the year 1991—when the Soviet Union fell. “The conservative movement replaced the ‘Red Scare’ with a new ‘Green Scare’ and became increasingly hostile to environmental protection at that time,” argues sociologist Aaron McCright of Michigan State University and two colleagues.